//
// Created by Administrator on 2024/3/4.
// 小图灵GESP 4级助跑班 练习题
// https://oj.youdao.com/course/86/539/2#/1/9164
//
//

#include <iostream>
#include <string>
using namespace std;

int main()
{
    string r[26];
    for (int i = 0; i < 26; ++i)
    {
        for (int j = 0; j < 26; ++j)
        {
            char t = i+j+'A';
            if (t>'Z')
                t=t-'Z'+'A'-1;
            r[i]+=char(t);
        }
    }
    return 0;
}